\Header{co.transfer}{Carbon Monoxide Transfer}
\keyword{datasets}{co.transfer}
\begin{Description}\relax
The \code{co.transfer} data frame has 7 rows and 2 columns.  Seven smokers with
chickenpox had their levels of carbon monoxide transfer measured on entry
to hospital and then again after 1 week.  The main question being whether
one week of hospitalization  has changed the carbon monoxide transfer factor.\end{Description}
\begin{Usage}
\begin{verbatim}
data(co.transfer)
\end{verbatim}
\end{Usage}
\begin{Format}\relax
This data frame contains the following columns:


\describe{
\item[\code{entry}] Carbon monoxide transfer factor on entry to hospital.

\item[\code{week}] Carbon monoxide transfer one week after admittance to hospital.
}\end{Format}
\begin{Source}\relax
The data were obtained from


Hand, D.J., Daly, F., Lunn, A.D., McConway, K.J. and Ostrowski, E (1994)
\emph{A Handbook of Small Data Sets}. Chapman and Hall.\end{Source}
\begin{References}\relax
Davison, A.C. and Hinkley, D.V. (1997) 
\emph{Bootstrap Methods and Their Application}. Cambridge University Press.


Ellis, M.E., Neal, K.R. and Webb, A.K. (1987) Is smoking a risk factor for
pneumonia in patients with chickenpox? \emph{British Medical Journal},
\bold{294}, 1002.\end{References}

